Sorry answering this late but yes your answer is correct! C
The answer to the question is True
All are true because Russia needs Crimea and Africa is so messed up because of the boundaries and opium war forced China into accepting European trade terms
Don’t fall for the links love!
It stemmed from the annexation of the Republic of Texas by the U.S. in 1845 and from a dispute over whether Texas ended at the Nueces River (the Mexican claim) or the Rio Grande (the U.S. claim).